Optional new argument :separator allows you to control how words are separated.
Breaking changes:
CamelCase has been renamed to PascalCase.
SNAKE_CASE has been renamed to SCREAMING_SNAKE_CASE.
Snake_case has been removed.
The above changes makes the library AOT compilable on case-insensitive filesystems.
In practice, this means you can e.g. use lein ring uberwar on Windows and OS X.